Compare Nikon 8-15mm F3.5-4.5E vs Pentax-DA 10-17mm F3.5-4.5 vs Pentax-DA* 16-50mm F2.8
Construction
Aperture Blades
7 blades
6 blades
9 blades
Colors
Black
Black
Black
Form Factor
Ultra Wide-Angle Zoom Lens
Ultra Wide-Angle Zoom Lens
Standard Zoom Lens
Image Size
Full-Frame
APS-C
APS-C
Lens Barrel
Distance scale
Lens Mount
Nikon F-mount
Pentax K-mount
Pentax K-mount
Material
Magnesium alloy
Magnesium alloy
Motor
Ring-type ultrasonic
Screw drive from camera
Stepper motor
Optical Formula | Elements
15 elements
10 elements
16 elements
Optical Formula | Groups
13 groups
8 groups
10 groups
Optical Formula | Special Glass
Three ED + two aspherical elements, Nano Crystal and fluorine coatings groups
ED element, HD + Super Protective coatings groups
ED + anomalous glass + aspherical elements, HD coating groups
Dimensions
Filter Diameter
77 mm / 3.03 in
Size | Diameter
78 mm / 3.07 in
68 mm / 2.68 in
84 mm / 3.31 in
Size | Length
83 mm / 3.27 in
70 mm / 2.76 in
117 mm / 4.61 in
Weight
485 g / 17.14 oz
317 g / 11.20 oz
712 g / 25.16 oz
Function
Angle Of View
180° Diagonal ~ 110° Diagonal (fisheye)
180° Diagonal (wide) ~ 100° Diagonal
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 32.2° Diagonal | 27.0° Horizontal | 18.2° Vertical (tele)
Aperture
f/3.5–29 ~ f/4.5–29
f/3.5–4.5 ~ f/22–32
f/2.8 ~ f/22
Autofocus
Yes
Yes
Yes
Crop Factor
1.5
1.5
Focal Length
8 mm ~ 15 mm
10 mm ~ 17 mm
16 mm ~ 50 mm
Focal Length (35mm Equivalent)
15.0 mm ~ 25.5 mm
24.0 mm ~ 75.0 mm
Focus Type
Internal
Internal
Internal
Image Stabilization
No
No
Weather Resistance
No
No
Yes
Zoom Type
External zoom
External zoom
External zoom
Performance
Max Magnification
0.34x
0.39x
0.24x
Min Focus Distance
160 mm / 6.30 in
140 mm / 5.51 in
300 mm / 11.81 in
Production
Accessory
Lens hood included
Lens hood included
Lens Hood: PH-RBN77 (sold separately)
Debut
2017-05-31
2019-07-08
2021-07-14
Reviews
Neofiliac score
50%
31%
40%
Pros
- 180-degree field of view
- Ultra-wide fisheye offers unique creative possibilities
- Weather-sealed
- Solid build quality
Cons
- External zoom without zoom lock
- Lacks weather sealing
- Not a rectilinear lens
- Lacks front filter thread
- External zoom without zoom lock
- Lacks weather sealing
- Not the strongest optical performance
- Exterior designed like a 1990's lens
- External zoom without zoom lock
- Lens hood not included
- Expensive for APS-C
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